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Safe with lithium

机译：锂安全

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Battery safety: In Germany there is a discussion brewing about the safety of storage systems. However, it is also possible to operate them safely. Anyone looking to see nice fireworks only has to enter the terms "lithium", "battery" and "explosion" on YouTube where there are a myriad of films of bursting lithium batteries. That there is the threat of an image problem should have become clear when Boeing's Dreamliner was grounded because of burning batteries. The question is whether or not these are only isolated examples, or if there is a genuine safety risk? Andreas Sander, of the textile company K-Tex, also investigates exploding batteries. He has already shown similar films at the Energy Storage conference. But, why an expert for textiles? Because there are countermeasures. Sander's company develops bags for packaging lithium batteries. A battery for five kilowatt hours of electricity releases 25 to 50 kilowatt hours of chemical energy in the case of fire - the fire load is approximately eight to ten times greater than that of lead batteries. A large share of the energy is contained in gases which, in the case of damage, first cause a lithium battery to swell and then to burst. "The packaging allows these gases to escape without catching fire," he points out. "They contain more than half of the energy from the fire." The rest of the fire on the films then remains under control. There is no reason why this should not also be possible with the housing of a storage system for a photovoltaic installation.
机译：电池安全性：在德国，有关存储系统安全性的讨论正在酝酿之中。但是，也可以安全地操作它们。想要看到漂亮的烟火的人只需在YouTube上输入“锂”，“电池”和“爆炸”一词，那里会有许多爆炸的锂电池薄膜。当波音的Dreamliner因电池燃烧而接地时，存在图像问题的威胁应该已经清楚了。问题是这些是否仅是孤立的示例，还是存在真正的安全风险？纺织公司K-Tex的Andreas Sander也研究爆炸的电池。他已经在能源存储会议上放映了类似的电影。但是，为什么是纺织品专家？因为有对策。 Sander公司开发用于包装锂电池的包装袋。五千瓦小时的电池在发生火灾时会释放25至50千瓦小时的化学能-火灾负荷大约是铅电池的八至十倍。气体中包含大量能量，在损坏的情况下，气体首先会使锂电池膨胀，然后爆炸。他指出：“包装允许这些气体逸出而不会着火。” “它们包含了火力一半以上的能量。”电影的其余火势仍处于控制之下。没有理由为什么在用于光伏设备的存储系统的外壳中也不应该做到这一点。

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